Tizen 6.5 Public M2

Release date: Oct. 31, 2021

Release Details

Release Notes

System (Kernel and System framework)

New and changed features

  • New API and features
    • Kernel
      • A fine-grained version of THP (Transparent HugePage) in Linux kernel for embedded systems has been implemented in Raspberry Pi 4.
    • HAL
      • HAL API Layer is implemented for unifying the HAL backend style and splitting out the hardware dependency.
      • New image structure is adapted for HAL, new partition is added for a set of HAL backend packages.
    • System and resource management
      • VIP process monitor has been improved by removing race conditions.
      • Percentage-based memory threshold has been developed.
      • Coredump generation for .NET 6 runtime has been supported.
      • Tizen feature database tools have been improved.
      • Container adaptation for file system mount units has been developed.
    • Device and sensor management
      • Orientation and rotation vector sensor algorithms have been upgraded for improving correctness.
      • HAL backend for Inertial Measurement Unit (IMU) sensors has been implemented for Raspberry Pi 4 devices.
      • Separate backend libraries for sensor devices have been supported.
      • Daemon-less direct API set for peripheral-io and runtime memory usage has been developed.
      • Sleep mode for IoT headless devices has been supported.
      • Display control for HDMI-based external display devices has been supported.
      • Display option for USB connection change has been added.
      • API for board serial number has been added.
    • OS upgrade
      • FOTA update for Raspberry Pi 4 IoT headless devices has been supported.
      • Crash recovery schemes have been developed for reliable OS upgrade.
      • Metadata for FOTA server management has been included in delta files.
      • Testsuites for OS upgrade have been developed.
      • Delta file generators have been improved.
    • Open Source
      • CVE-2021-33910 patch has been applied to systemd.

System (Base)

New and changed features

  • Open Source
    • ccache
      • Version 3.1.6 has been upgraded to version 4.4.
    • libxml2
      • Version 2.9.10 has been upgraded to version 2.9.12.
    • gtest
      • Version 1.8.0 has been upgraded to version 1.10.0.
  • System-settings
    • Image validation checker for two keys has been removed.
      • SYSTEM_SETTINGS_KEY_WALLPAPER_HOME_SCREEN
      • SYSTEM_SETTINGS_KEY_WALLPAPER_LOCK_SCREEN

Fixes

  • CVE patches
    • libxml2
      • CVE-2019-20388
      • CVE-2020-24977
      • CVE-2020-7595

Application framework

New and changed features

  • Resource package
    • A new installer for resource packages has been added.
    • API set for retrieving information of a resource package has been added.
  • Cross device communication using TIDL
    • API set for device-to-device communication has been added.
    • An option to compile for device-to-device communication has been added to TIDLC.
  • rpc-port extension
    • The library has been modified to use stub API in daemon process.

Fixes

  • rpc-port
    • The dependency on D-Bus has been removed.
  • pkgmgr-tool
    • Minor bugs have been fixed.

Window and Interaction

New and changed features

  • Text Input Framework
    • The sticker input in reference IME in case of installing sticker package has been added.
    • The keyboard hot key (Shift & Space) for switching H/W keyboard language has been added.
    • The API to support NUI IME has been added.
  • Multi-assistant Framework
    • Support for N:N relationship between multiple wake-up engines and voice assistants has been added.
  • Multi-modal Interaction Framework
    • The API to support multi-modal interaction has been added.
    • The multi-modal interaction manager has been added.
  • Enlightenment Wayland display server
    • Foreign Shell has been added. This provides sharing wayland resources between wayland clients through exporting and importing foreign shells.
    • Support for always on parent functionality has been added.
    • Support for pending_show functionality has been added.
    • Support for showing the softkey service by swipe up has been added.
  • TBM
    • TBM HAL Backend for amlogic chipset has been added.
    • TBM HAL Backend for msm chipset has been added.
  • TDM
    • TDM HAL Backend for amlogic chipset has been added.
    • TDM HAL Backend for msm chipset has been added.

Graphics and UI

New and changed features

  • NUI
    • Common
      • HorizontalAlignment and VerticalAlignment have been added in LinearLayout.
      • Argument type of TimePeriod has been changed.
      • AdjustViewSize to ImageView has been added.
      • Page Transition API set has been added.
      • Text Selection API set in TextField, TextEditor has been added.
      • SpaceEvenly to FlexJustification has been added.
      • Copy, Cut and Paste for Text on TextEditor and TextField have been added.
      • FindDescendantByID, Raise, Lower, GetOriginalImageSize have been added.
      • BorderlineWidth, Color and Offset in View have been added.
      • SelectionCleared, SelectionChanged and CursorPositionChanged events to TextField and TextEditor have been added.
      • EllipsisPosition properties to TextLabel, TextField and TextEditor have been added.
      • SafeNativeWindowHandle has been replaced into Window.NativeHandle.
      • VideoView.NativeHandle has been added.
      • Hyphenation and Mixed modes to LinewrapeMode enum have been added.
      • InputFilter API set in TextField, TextEditor has been added.
      • NUI IME window support has been added.
      • Capture API set has been added.
      • GetHeightForWidth() and GetWidthForHeight() have been added.
      • AnchorClicked events to TextLabel, TextField and TextEditor have been added.
      • Transition API set has been added.
      • EXaml (Enhanced XAML) feature which separates XAML resources has been added.
      • Gesture propagation has been added.
      • Support for ETC2_EAC compressed format texture has been added.
      • Support for focus finder has been added.
      • Support for background and span markup tags has been added to TextLabel.
    • Components
      • RiveAnimationView has been added.
      • Grouping, Clipping, Masking, Gradient (Linear, Radial), Path and Picture functions has been added in CanvasView.
      • Accessibility (AT-SPI2) functionalities for all Components have been added.
      • Navigator Popped event has been added.
      • Page Appear/Disappear events have been added.
      • MakeToast function has been added in Notification.
      • ItemAlignment and ItemSpacing properties have been added in Button.
      • Slider and Progress properties related to showing value have been added.
      • Page Navigation API set has been added.
      • DialogPage has been added.
      • Menu and MenuItem classes have been added.
  • ThorVG
    • SVG Loader has been enhanced by supporting more extensible SVG spec including embedding images.
    • PNG, JPG formats have been supported.
    • Binary Vector Graphics Data Format (TVG) has been supported.
    • SVG - TVG file converter has been added in the ThorVG Viewer (www.thorvg.org/viewer).

Fixes

  • NUI
    • Layout related bugs have been fixed.
    • A clipping bug of a transparent renderer has been fixed.
    • A bug that a triple tap doesn’t work has been fixed.
    • Invalid text selection behavior has been fixed.

Multimedia framework

New and changed features

  • MediaPlayer
    • New display type for video and UI synchronization has been added.
  • capi-media-vision
    • Inference
      • New pre-/post-process based on models meta files has been applied.
  • media-content
    • New media type for ebook (epub3, pdf) has been added.
    • API set for searching ebooks has been added.

Network and Connectivity

New and changed features

  • Wireguard VPN
    • Wireguard protocol which aims for better performance than IPsec and OpenVPN has been added.
  • Advanced on-line checking
    • New BPF-based low overhead mechanism for checking internet connection status has been added.
  • Wi-Fi
    • New feature for supporting MAC address randomization has been added.
      • http://tizen.org/feature/network.wifi.mac_randomization
  • User Awareness API
    • The API set for monitoring user location has been added.
    • New feature for the user location has been added.
      • http://tizen.org/feature/network.user_awareness.location
  • Smartcard API
    • New feature for supporting USB type secure element has been added.
      • http://tizen.org/feature/network.secure_element.usb
  • Vine
    • BLE datapath support has been added.
    • Wifi-Aware (NAN) datapath support has been added.
  • Bluetooth API
    • New GATT C# API set for MTU size has been added.

Fixes

  • Bluetooth
    • GATT write request issue with the zero length has been fixed.
    • Some bugs related with Mesh Node role have been fixed.
    • Device name converting issue in C# has been fixed.
  • User Awareness
    • Some memory leak issues have been fixed.
  • Network
    • MAC address randomization issue with multiple Wi-Fi interfaces has been fixed.
    • Some bugs related with WPA3-SAE transition mode have been fixed.
    • Some memory leak issues have been fixed.

Service framework

Fixes

  • Account Framework
    • Potential defects have been fixed.
  • Sync-Manager
    • Potential defects have been fixed.
  • Location Framework
    • Potential defects have been fixed.
    • HAL layer decoupling has been applied.
  • Messaging
    • Potential defects have been fixed.
  • Push
    • Glib timer support has been added.

Web framework

New and changed features

  • Web Runtime
    • Addon features have been added.
      • Translation feature
      • Categorization feature

Fixes

  • Web Engine
    • NUI WebView support
      • Resizing issue has been fixed.
      • Surface orientation issue has been fixed.
    • Known Security vulnerabilities have been fixed.
      • CWE-676

Lightweight Web Solution

New and changed features

  • Lightweight Web Engine
    • Web Engine
      • Flutter port has been added.
      • An Image map feature has been added.
      • Support for HTTP/2 Protocol has been added.
    • JS API set
      • TextEncoder/TextDecoder Web API set has been added.
    • Javascript Engine
      • ECMAScript 2020 features have been added.
      • WebAssembly MVP features have been added.
      • JS CodeCache has been optimized.
  • JS based lightweight backend service FW
    • Lightweight node.js has been added.

Fixes

  • Lightweight Web Engine
    • (Grid/Flex) Layout defects have been fixed.
    • File defects have been fixed.

Tizen .NET

New and changed features

  • TizenFx
    • Tizen.NUI
      • LinearLayout.LinearAlignment has been deprecated.
      • Navigator Popped event has been added.
      • Page Appear/Disappear event has been added.
      • Argument of TimePeriod has been changed.
      • LinearLayout.Horizontal/VerticalAlignment has been added.
      • AdjustViewSize has been added to ImageView.
      • Page Transition has been added.
      • The name of ImageView Property has been changed.
      • Text Selection has been added to TextField, TextEditor.
      • Input Filter has been added to TextField, TextEditor.
      • Copy, Cut, and Paste have been added to TextField, TextEditor.
      • BorderlineWidth/Color/Offset has been added to NUI.BaseComponents.View.
      • RiveAnimationView has been added.
      • Support for IME Window has been added.
      • WebView has been added.
      • CameraView has been added.
      • Picker has been added.
      • ResizePolicy has been deprecated.
    • Tizen.Multimedia
      • New Inference configuration has been added.
      • Legacy Inference configuration has been deprecated.
      • Support for Video & UI Sync has been added.
      • Support for HEIF image has been added.
      • ConnectAsync has been added.
      • Support for EBook Format has been added.
      • Additional GATT API set has been added.
      • WebRTC has been added.
      • Support for CameraPixelFormat (VP8, VP9) has been added.
      • Additional VideoMimeTypes have been added.
    • Tizen.Applications
      • Cion has been added.
      • New constructor and method has been added to RPCPort.
      • Parcel.Header has been added to RPCPort.
      • Support for Resource Control has been added.
    • Tizen.Uix.Tts
      • Errors and API set for Screen Reader Option have been added.
    • Tizen.Uix.InputMethod
      • IME Resizing has been added.
    • Tizen.MachineLearning
      • Support for Neural Network Framework and HW Type has been added.
    • Tizen.Security
      • OCSP has been deprecated.

Toolchain

New and changed features

  • Hardware-assisted AddressSanitizer (HWASan)
    • GCC/ Libsanitizer : HWASan feature has been backported and tuned for Tizen.
    • HWASan compiler options have been applied.
    • HWASan runtime options have been applied to build and runtime environment.
    • Support for HWASan has been added to glibc and packages.
  • Large File Support (LFS)
    • LFS support has been added to AArch64.
  • New architecture(ARMv7hl) support
    • Build support has been added for 32-bit hard float ABI.

Fixes

  • Binutils/ LTO bug #25355
    • LTO plugin bugfix has been backported into binutils, ld, and bfd.
  • Glibc/ dynamic linker bug #24259
    • Dynamic linker crash after a previously failed call to dlopen has been fixed.
  • Toolchain testsuites bugs have been fixed on GCC, Glibc and Binutils.

Machine Learning

New and changed features

  • Machine Learning (ML) Inference API
    • New neural network framework identifiers including VD_AIFW (Samsung Tizen TV) and TRIX_ENGINE (SR NPU) have been added.
    • New HW accelerator designators including NPU_SLSI (Samsung S.LSI) and NPU_SR (SR NPU) have been added.
    • ml_pipeline_src_input_callback() API has been added to support callbacks for the app-src element.
    • ml_check_nnfw_availability_full() API has been added to check HW availability with custom option strings.
  • Machine Learning (ML) Training API and NNTrainer updates
    • Model save and load API set have been added.
    • Model input and output tensor information query API has been added.
    • API set to create and to set dataset properties has been added.
    • New layers to support advanced training methods have been added.
      • CNN : Embedding layer, Split layer, Permute layer, and Dropout layer
      • Recurrent Net : RNN layer, LSTM layer, and GRU layer
    • New layers to augment data have been added.
      • Flip layer, and Translate layer.
    • New layers to support meta-learning algorithms have been added.
      • Centroid KNN layer and L2norm layer
  • NNStreamer updates
    • NNStreamer has been upgraded to version 2.0.
    • Integrated SR-NPU development environment has been added: HAL, driver package, emulator, sample code, and so on.
    • Script mode for Python and Lua has been added to run scripts directly in the pipeline description.
    • New subplugins including Apache TVM, SNPE (Snapdragon Neural Processing Engine) have been added.
    • New event for tensor-filter subplugin has been added to support an optional event, custom HW availability checks.
  • Edge-AI features
    • Data serialization mechanisms have been added: Protocol buffer, FlatBuffer, and FlexBuffer.
    • Remote query (client/server) capability has been added. This allows offloading AI inference workload.
    • New tensor stream types, sparse tensors and flexible tensors, have been added to support various AI data streaming format.
    • MQTTSink and MQTTSrc elements have been added to support Pub/Sub streams via MQTT brokers.
  • AI Inference Offloading Framework
    • A new framework for offloading ML model inference to the high-end devices in LAN has been added.
    • An app can discover high-end devices (peers) in LAN and request to one of them to inference the app’s ML model on behalf.
    • All the devices are authenticated and the communication channels for transferring inputs and outputs are encrypted.
    • NNStreamer is used for construction remote inference pipeline.

Fixes

  • ML Inference API / NNStreamer
    • The hidden memory issues including memory leakage, double free, and segmentation faults have been fixed.
    • Mutex issues including unnecessary locks and dead locks have been fixed.